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commercial datacommercial data there are several institutions and companies which purchase and sell marketing information and
private sourcestrade associations trade associations may be an excellent source of data pertaining to an industry the trade association of one
registration data registration data are the outcome of legal requirements of the submission of final accounts and reports to the registrar of
census and registration datacensus and registration data have become very comprehensive census but it now extends to many areasacensus of population
external secondary data the second form of secondary data is external sources which are generally published and are available in different form and
invoice analysis company involves have been provided a very useful source of information a copy of an invoice is preserved and information form it
sales analysissales analysis is an important tool of marketing research it is the first step in the marketing research programme and acts as a basis
advantages of secondary data1 economy such data are cheaper the amount of money spent in acquiring secondary data is generally a great deal less than
disadvantages of secondary datait is however difficulty to find secondary data that exactly fits into the needs of some specific research
cautions in collection of secondary datasecondary data means data that are already available i e they refer to the data which have already been
data classified by their naturethe nature of data may be classified according to various categories facts knowledge opinion intention motivation and
data classified according to functiondata classified according to function data are also classified according to their functions while planning data
disadvantages of observation methodsaccording to bailey the disadvantages in observation technique are1 lack of control in artificial setting control
a paper mill produces two grades of paper viz x and y because of raw material restrictions it cannot produce more than 400 tons of grade x paper and
q3 solve the following linear programming problem using simple method maximize z 3x1 2x2 subject to the constraints
solve the following linear programming problem using simple method maximize z 3x1 2x2 subject to the constraints x1 x2 4 x1 -
q a paper mill produces two grades of paper viz x and y because of raw material restrictions it cannot produce more than 400 tons of grade x
a paper mill produces two grades of paper viz x and y because of raw material restrictions it cannot produce more than 400 tons of grade x
a paper mill produces two grades of paper viz x and y because of raw each material restrictions it cannot produce more than 400 tons